Why the rubber duck works
Rubber duck debugging is an old programmer's trick: explain your code, line by line, to a rubber duck, and you find the bug before the duck says a word. The duck does nothing. The explaining does everything. To describe a problem to someone else, you have to put it in order, and in the process you notice the step that does not follow.
The same trick works far beyond code: a messy decision, a plan that does not quite add up, a conversation you are dreading, a piece of writing that will not land.
Where a duck stops and a partner starts
A duck gives you the benefit of explaining. It cannot tell you that your explanation skipped something, or that you keep saying “obviously” in front of the one claim you have not checked. A thinking partner can.
When you explain a problem to DeepDrive, you get the same benefit, plus a participant:
- It asks one clarifying question at the point where your explanation gets vague.
- It challenges one assumption, usually the one you stated with the most confidence.
- It offers one option you had not considered, so you are not stuck on the first framing.
- It remembers where you landed in a summary, so tomorrow you are not explaining it again from scratch.
What it is, and what it is not
To be honest about the limits: DeepDrive does not read your repository, run your code or look anything up. It is not a coding assistant, and its partners are told never to pretend they have tools. What it is good at is the thinking around the work: which approach to take, what to cut, what you are really trying to achieve, what the tradeoff actually is, and what to try first.
That makes it a good fit for engineers talking through a design decision on a walk, founders deciding what to build next, writers stuck on structure, and anyone who suspects they already know the answer and needs to say it out loud.
A five-minute rubber duck session
- Write the problem as a topic title: “Why does onboarding drop off at step three?”
- Start a voice conversation or a text chat. Your partner speaks first and asks you to set the scene.
- Explain it in plain words, as you would to a colleague who just walked in.
- Notice where your partner asks for more detail. That is usually where the real issue is.
- End the conversation. Read the summary: what you covered, what you decided, and one next step.
If the answer is obvious by minute three, you can end early. Voice conversations under two minutes are not summarized, so a quick duck session costs almost nothing.
Voice for flow, text for detail
Talking is fastest for getting the shape of the problem out. When you need to paste a snippet of reasoning or a list of constraints, switch to text chat on the same topic. Voice uses about 100 tokens a minute, and a text reply costs one or two. You start with 4,000 free tokens (about 40 minutes of voice); see pricing. If you want the broader idea, read about brainstorming with a partner that asks questions.